Similar crash on FreeBSD 9.3
root@debugtest:/home/mdtancsa/quagga-1.0.20160309 # gdb bgpd
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(gdb) run
Starting program: /usr/local/sbin/bgpd
[New LWP 100119]
[New Thread 801807400 (LWP 100119/bgpd)]
2016/03/11 20:54:57 BGP: BGPd 1.0.20160309 starting: vty@2605,
bgp@<all>:179 pid 28839
2016/03/11 20:54:57 BGP: stream_getl: Attempt to get long out of bounds
2016/03/11 20:54:57 BGP: &(struct stream): 0x8019280d0, size: 4096,
getp: 33, endp: 35
2016/03/11 20:54:57 BGP: Assertion `0' failed in file stream.c, line
413, function stream_getl
2016/03/11 20:54:57 BGP: No backtrace available on this platform.
2016/03/11 20:54:57 BGP: Current thread function zclient_read, scheduled
from file zclient.c, line 1131
Program received signal SIGABRT, Aborted.
[Switching to Thread 801807400 (LWP 100119/bgpd)]
0x00000008012d397c in kill () at kill.S:3
3 RSYSCALL(kill)
Current language: auto; currently asm
(gdb) bt
#0 0x00000008012d397c in kill () at kill.S:3
#1 0x00000008012d255b in abort () at /usr/src/lib/libc/stdlib/abort.c:65
#2 0x00000008009485c2 in _zlog_assert_failed (assertion=Could not find
the frame base for "_zlog_assert_failed".
) at log.c:669
#3 0x00000008009436cb in stream_getl (s=0x8019280d0) at stream.c:413
#4 0x00000000004470a0 in zebra_read_ipv4 (command=7,
zclient=0x8018d3280, length=27, vrf_id=0) at bgp_zebra.c:270
#5 0x00000008009507e9 in zclient_read (thread=0x7fffffffe9d0) at
zclient.c:1034
#6 0x0000000800934256 in thread_call (thread=0x7fffffffe9d0) at
thread.c:1260
#7 0x0000000000407c9b in main (argc=1, argv=0x7fffffffeac0) at
bgp_main.c:481
(gdb) up 3
#3 0x00000008009436cb in stream_getl (s=0x8019280d0) at stream.c:413
413 STREAM_BOUND_WARN (s, "get long");
Current language: auto; currently c
(gdb) list
408
409 STREAM_VERIFY_SANE(s);
410
411 if (STREAM_READABLE (s) < sizeof (u_int32_t))
412 {
413 STREAM_BOUND_WARN (s, "get long");
414 return 0;
415 }
416
417 l = s->data[s->getp++] << 24;
(gdb)
On 3/11/2016 8:09 AM, Donald Sharp wrote:
> Martin -
>
> If I could get a decode of this:
>
> 2016/03/09 09:42:20 BGP: [bt 3] bgpd(+0x5c2f0) [0x7f495cb132f0]
>
> I could probably fix/narrow down the problem real fast.
>
> thanks!
>
> donald
>
>
>
> On Thu, Mar 10, 2016 at 8:59 PM, Martin Winter
> <[email protected] <mailto:[email protected]>>
> wrote:
>
> (New thread so people actually see it)
>
> I really wish my suggestion to Donald/Paul would have been followed
> and we would have created a RC version first
> or at least updated Master first with giving me a few days for some
> checks… :-(
>
> Anyway, the brand new version 1.0.20160309 crashes in my BGP Tests:
>
> 2016/03/09 09:42:20 BGP: vty[??]@# exit
> 2016/03/09 09:42:20 BGP: stream_getl: Attempt to get long out of bounds
> 2016/03/09 09:42:20 BGP: &(struct stream): 0x7f495d91f6b0, size:
> 4096, getp: 23, endp: 25
>
> 2016/03/09 09:42:20 BGP: Assertion `0' failed in file stream.c, line
> 413, function stream_getl
> 2016/03/09 09:42:20 BGP: Backtrace for 9 stack frames:
> 2016/03/09 09:42:20 BGP: [bt 0]
> /usr/lib/libzebra.so.0(zlog_backtrace+0x2b) [0x7f495c661c10]
> 2016/03/09 09:42:20 BGP: [bt 1]
> /usr/lib/libzebra.so.0(_zlog_assert_failed+0xa1) [0x7f495c66234c]
> 2016/03/09 09:42:20 BGP: [bt 2]
> /usr/lib/libzebra.so.0(stream_getl+0x7f) [0x7f495c65ef69]
> 2016/03/09 09:42:20 BGP: [bt 3] bgpd(+0x5c2f0) [0x7f495cb132f0]
> 2016/03/09 09:42:20 BGP: [bt 4] /usr/lib/libzebra.so.0(+0x34141)
> [0x7f495c666141]
> 2016/03/09 09:42:20 BGP: [bt 5]
> /usr/lib/libzebra.so.0(thread_call+0x7e) [0x7f495c656728]
> 2016/03/09 09:42:20 BGP: [bt 6] bgpd(main+0x417) [0x7f495caec22a]
> 2016/03/09 09:42:20 BGP: [bt 7]
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f495bf88ec5]
> 2016/03/09 09:42:20 BGP: [bt 8] bgpd(+0x35267) [0x7f495caec267]
> 2016/03/09 09:42:20 BGP: Current thread function zclient_read,
> scheduled from file zclient.c, line 1131
>
> This is on Ubuntu 14.04
>
> I’ll start digging into the details, just wanted to give a heads up.
>
> Any hints on differences to the Proposed/6 branch?
>
> - Martin
> (Would like to be excited on 1.0…)
>
> _______________________________________________
> Quagga-dev mailing list
> [email protected] <mailto:[email protected]>
> https://lists.quagga.net/mailman/listinfo/quagga-dev
>
>
>
>
> _______________________________________________
> Quagga-dev mailing list
> [email protected]
> https://lists.quagga.net/mailman/listinfo/quagga-dev
>
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, [email protected]
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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